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109387472707 = 195075607601
BaseRepresentation
bin110010111100000000…
…0000101111101000011
3101110100101211100220001
41211320000011331003
53243011143111312
6122130225100431
710621503114412
oct1457000057503
9343311740801
10109387472707
1142433416307
1219249787717
13a413636316
145419ad9479
152ca3453057
hex1978005f43

109387472707 has 4 divisors (see below), whose sum is σ = 109393099816. Its totient is φ = 109381845600.

The previous prime is 109387472669. The next prime is 109387472713. The reversal of 109387472707 is 707274783901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109387472707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109387472507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2784294 + ... + 2823307.

It is an arithmetic number, because the mean of its divisors is an integer number (27348274954).

Almost surely, 2109387472707 is an apocalyptic number.

109387472707 is a deficient number, since it is larger than the sum of its proper divisors (5627109).

109387472707 is an equidigital number, since it uses as much as digits as its factorization.

109387472707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5627108.

The product of its (nonzero) digits is 4148928, while the sum is 55.

The spelling of 109387472707 in words is "one hundred nine billion, three hundred eighty-seven million, four hundred seventy-two thousand, seven hundred seven".

Divisors: 1 19507 5607601 109387472707